<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card class="box">
      <!-- 添加角色 -->
      <el-row>
        <el-col>
          <el-button type="primary" @click="addjuese = true"
            >添加角色</el-button
          >
        </el-col>
      </el-row>

      <!-- 角色列表 -->
      <el-table :data="rolelist" border stripe>
        <!-- 展开列 -->
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row
              :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter', 'main']"
              v-for="(item1, i1) in scope.row.children"
              :key="item1.id"
            >
              <!-- 一级权限 -->
              <el-col :span="5">
                <el-tag
                  closable
                  @close="removeRightById(scope.row, item1.id)"
                  >{{ item1.authName }}</el-tag
                >
                <i class="el-icon-caret-right"></i>
              </el-col>
              <!-- 二级三级权限 -->
              <el-col :span="19">
                <el-row
                  :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']"
                  v-for="(item2, i2) in item1.children"
                  :key="item2.id"
                >
                  <!-- 二级权限 -->
                  <el-col :span="6">
                    <el-tag
                      type="success"
                      closable
                      @close="removeRightById(scope.row, item2.id)"
                      >{{ item2.authName }}</el-tag
                    >
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <!-- 三级权限 -->
                  <el-col :span="18">
                    <el-tag
                      type="warning"
                      v-for="(item3, i3) in item2.children"
                      :key="item3.id"
                      closable
                      @close="removeRightById(scope.row, item3.id)"
                    >
                      {{ item3.authName }}
                    </el-tag>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
            <!-- <pre>
              {{ scope.row }}
            </pre> -->
          </template>
        </el-table-column>
        <!-- 索引列 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="角色名称" prop="roleName"></el-table-column>
        <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
        <el-table-column label="操作" width="300px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="showEditDialong(scope.row.id)"
              >编辑</el-button
            >
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="removeUserById(scope.row.id)"
              >删除</el-button
            >
            <el-button
              size="mini"
              type="warning"
              icon="el-icon-setting"
              @click="showSetRightDialog(scope.row)"
              >分配权限</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <!-- 添加角色对话框 -->
      <el-dialog
        title="添加角色"
        :visible.sync="addjuese"
        width="42%"
        @close="addDialogClosed"
      >
        <el-form
          :model="addJuese"
          :rules="addJueseRules"
          ref="addJueseRef"
          label-width="100px"
        >
          <el-form-item label="角色名称" prop="roleName">
            <el-input v-model="addJuese.roleName"></el-input>
          </el-form-item>
          <el-form-item label="角色描述" prop="roleDesc">
            <el-input v-model="addJuese.roleDesc"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addjuese = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改角色对话框 -->
      <el-dialog
        title="修改角色"
        :visible.sync="editDialogVisible"
        width="42%"
        @close="editDialogClosed"
      >
        <el-form
          :model="editForm"
          :rules="editFormRules"
          ref="editFormRef"
          label-width="100px"
        >
          <!-- 用户名 -->
          <el-form-item label="角色名称">
            <el-input v-model="editForm.roleName" disabled></el-input>
          </el-form-item>
          <!-- 邮箱 -->
          <el-form-item label="角色描述" prop="name">
            <el-input v-model="editForm.roleDesc"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>

    <!-- 分配权限对话框 -->
    <el-dialog
      title="分配权限"
      :visible.sync="setRightDialogVisible"
      width="42%"
      @close="setRightDialogClosed"
    >
      <!-- 树型控件 -->
      <el-tree
        :data="rightslist"
        :props="treeProps"
        show-checkbox
        node-key="id"
        default-expand-all
        :default-checked-keys="defKeys"
        ref="treeRef"
      ></el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRightDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="allotRights">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 所有角色列表数据
      rolelist: [],
      // 添加角色开关
      addjuese: false,
      // 添加角色所有数据
      addJuese: {
        roleName: "",
        roleDesc: "",
      },
      // 验证规则
      addJueseRules: {
        roleName: [
          {
            required: true,
            message: "请输入用户名",
            trigger: "blur",
          },
          { min: 3, max: 10, message: "请输入3~10个字符之间", trigger: "blur" },
        ],
        roleDesc: [
          {
            required: true,
            message: "请输入密码",
            trigger: "blur",
          },
          { min: 3, max: 15, message: "请输入3~15个字符之间", trigger: "blur" },
        ],
      },
      // 修改角色开关
      editDialogVisible: false,
      //  查询到的用户消息对象
      editForm: {},
      // 修改表单的验证对象
      editFormRules: {
        name: [
          { message: "请输入活动名称", trigger: "blur" },
          { min: 1, max: 15, message: "长度在 3 到 5 个字符", trigger: "blur" },
        ],
      },
      // 分配权限对话框
      setRightDialogVisible: false,
      // 所有权限的数据
      rightslist: [],
      // 树型控件的属性绑定对象
      treeProps: {
        label: "authName",
        children: "children",
      },
      // 默认选中的节点id数组
      defKeys: [],
      // 即将分配权限的角色id
      roleId:''
    };
  },
  created() {
    this.getRoleList();
  },
  methods: {
    // 获取所有角色列表
    async getRoleList() {
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        return this.$message.error("获取角色列表失败");
      }
      this.rolelist = res.data;
      // console.log(this.rolelist);
    },

    // 重置对话框
    addDialogClosed() {
      this.$refs.addJueseRef.resetFields();
    },
    // 添加角色
    addUser() {
      this.$refs.addJueseRef.validate(async (valid) => {
        if (!valid) return;
        // 发起网络请求 添加用户
        const { data: res } = await this.$http.post("roles", this.addJuese);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败");
        }
        this.$message.success("添加用户成功");
        // 添加成功后隐藏对话框
        this.addjuese = false;
        // 重新刷新列表
        this.getRoleList();
      });
    },

    // 修改角色方法对话框
    async showEditDialong(id) {
      console.log(id);
      const { data: res } = await this.$http.get("roles/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("用户查询消息失败");
      }
      // console.log(res);
      this.editForm = res.data;
      this.editDialogVisible = true;
    },

    // 监听修改用户对话框关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改角色信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        // console.log(valid);
        if (!valid) return;
        //  发起修改用户请求
        const { data: res } = await this.$http.put(
          "roles/" + this.editForm.roleId,
          {
            roleName: this.editForm.roleName,
            roleDesc: this.editForm.roleDesc,
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error("更新用户信息失败");
        }
        // 关闭对话框
        this.editDialogVisible = false;
        // 更新数据列表
        this.getRoleList();
        // 提示信息
        this.$message.success("更新用户信息成功");
      });
    },

    //根据id删除用户
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定", //confirm
          cancelButtonText: "取消", //cancel
          type: "warning",
        }
      ).catch((err) => err);
      // console.log(confirmResult);
      if (confirmResult !== "confirm") {
        return this.$message.info("已经取消删除");
      }
      const { data: res } = await this.$http.delete("roles/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("删除失败");
      }
      this.$message.success("删除成功");
      this.getRoleList();
    },

    // 根据id删除权限
    async removeRightById(role, rightId) {
      // 弹框提示用户是否删除
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定", //confirm
          cancelButtonText: "取消", //cancel
          type: "warning",
        }
      ).catch((err) => err);
      if (confirmResult !== "confirm") {
        return this.$message.info("已经取消删除");
      }
      const { data: res } = await this.$http.delete(
        `roles/${role.id}/rights/${rightId}`
      );
      if (res.meta.status !== 200) {
        return this.$message.error("删除权限失败");
      }
      //  会重新渲染页面
      //  this.getRoleList()
      role.children = res.data;
    },

    // 展示分配权限
    async showSetRightDialog(role) {
      this.roleId = role.id
      // 获取所有权限数据
      const { data: res } = await this.$http.get("rights/tree");
      if (res.meta.status !== 200) {
        return this.$message.error("获取权限失败");
      }
      // 获取到的数据保存到rightslist
      this.rightslist = res.data;
      // console.log(this.rightslist);
      // 递归获取三级权限id
      this.getLeafKeys(role, this.defKeys);

      this.setRightDialogVisible = true;
    },

    // 通过递归 获取所有三级权限id
    getLeafKeys(node, arr) {
      if (!node.children) {
        return arr.push(node.id);
      }

      node.children.forEach((item) => this.getLeafKeys(item, arr));
    },
    // 对话框关闭前 清除数组
    setRightDialogClosed() {
      this.defKeys = [];
    },
    //确定上传权限数据 
    async allotRights(){
      const keys = [
      ...this.$refs.treeRef.getCheckedKeys(),
      ...this.$refs.treeRef.getHalfCheckedKeys(),
      ]
      // console.log(keys);
      const idStr = keys.join(',')

      const {data:res} = await this.$http.post(`roles/${this.roleId}/rights`,{rids:idStr})
      if(res.meta.status !== 200) {
        return this.$message.error('分配权限失败')
      }
      this.$message.success('分配权限成功')
      // 刷新列表
      this.getRoleList()
      // 隐藏对话框
      this.setRightDialogVisible = false
    }
  },
};
</script>

<style lang="less" scoped>
.box {
  height: 590px;
  overflow: auto;
  box-sizing: border-box;
}
.main {
  margin-left: 50px;
}
.el-tag {
  margin: 7px;
}

.bdtop {
  border-top: 1px solid #eee;
}
.bdbottom {
  border-bottom: 1px solid #eee;
}
.vcenter {
  display: flex;
  align-items: center;
}
</style>